25845800 has 24 divisors (see below), whose sum is σ = 60091950. Its totient is φ = 10338240.

The previous prime is 25845793. The next prime is 25845803. The reversal of 25845800 is 854852.

It can be written as a sum of positive squares in 3 ways, for example, as 14730244 + 11115556 = 3838^2 + 3334^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25845803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64415 + ... + 64814.

Almost surely, 2^25845800 is an apocalyptic number.

25845800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25845800 is an abundant number, since it is smaller than the sum of its proper divisors (34246150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25845800 is a wasteful number, since it uses less digits than its factorization.

25845800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129245 (or 129236 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25845800 is about 5083.8764737157. The cubic root of 25845800 is about 295.6627825164.

The spelling of 25845800 in words is "twenty-five million, eight hundred forty-five thousand, eight hundred".